From 56175d6f97e06202d17f1809e2c5a3ab16f33a0f Mon Sep 17 00:00:00 2001
From: Alexander Morozov <lk4d4math@gmail.com>
Date: Thu, 8 Sep 2016 12:22:20 -0700
Subject: [PATCH] add missed defer to unlock

Signed-off-by: Alexander Morozov <lk4d4math@gmail.com>
---
 libnetwork/sandbox.go | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/libnetwork/sandbox.go b/libnetwork/sandbox.go
index 775b92ab31..4367518d70 100644
--- a/libnetwork/sandbox.go
+++ b/libnetwork/sandbox.go
@@ -147,7 +147,7 @@ func (sb *sandbox) Key() string {
 
 func (sb *sandbox) Labels() map[string]interface{} {
 	sb.Lock()
-	sb.Unlock()
+	defer sb.Unlock()
 	opts := make(map[string]interface{}, len(sb.config.generic))
 	for k, v := range sb.config.generic {
 		opts[k] = v